Asus SABERTOOTH 990FX - Manual (Page 22)

2-4 Chapter 2: Hardware information
Chapter 2
2.2.2 Central Processing Unit (CPU)
The motherboard comes with an AM3+ socket designed for AMD ® FX Series CPU up to 8-core,
also compatible with AMD ® socket AM3 for AMD ® Phenom™ II/Athlon™ II/ Sempron™ 100
Series Processors.
The AM3+ socket has a different pinout designe, ensure that you use a CPU designed for
the AM3+/AM3 socket. The CPU fits in only one correct orientation. DO NOT force the CPU
into the socket to prevent bending the connectors on the socket and damaging the CPU!
Ensure that all power cables are unplugged before installing the CPU.
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